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# ##### BEGIN GPL LICENSE BLOCK #####
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# ##### END GPL LICENSE BLOCK #####
# <pep8 compliant>
import bpy as _bpy
import bpyml
from bpyml import TAG, ARGS, CHILDREN
_uilayout_rna = _bpy.types.UILayout.bl_rna
_uilayout_tags = (
["ui"] +
_uilayout_rna.properties.keys() +
_uilayout_rna.functions.keys()
)
# these need to be imported directly
# >>> from bpyml_ui.locals import *
locals = bpyml.tag_module("%s.locals" % __name__, _uilayout_tags)
def _parse_rna(prop, value):
if prop.type == 'FLOAT':
value = float(value)
elif prop.type == 'INT':
value = int(value)
elif prop.type == 'BOOLEAN':
if value in {True, False}:
pass
else:
if value not in {"True", "False"}:
raise Exception("invalid bool value: %s" % value)
value = bool(value == "True")
elif prop.type in {'STRING', 'ENUM'}:
pass
elif prop.type == 'POINTER':
value = eval("_bpy." + value)
else:
raise Exception("type not supported %s.%s" % (prop.identifier, prop.type))
return value
def _parse_rna_args(base, py_node):
rna_params = base.bl_rna.functions[py_node[TAG]].parameters
args = {}
for key, value in py_node[ARGS].items():
args[key] = _parse_rna(rna_params[key], value)
return args
def _call_recursive(context, base, py_node):
# prop = base.bl_rna.properties.get(py_node[TAG])
if py_node[TAG] in base.bl_rna.properties:
value = py_node[ARGS].get("expr")
if value:
value = eval(value, {"context": _bpy.context})
setattr(base, py_node[TAG], value)
else:
value = py_node[ARGS]["value"] # have to have this
setattr(base, py_node[TAG], value)
else:
args = _parse_rna_args(base, py_node)
func_new = getattr(base, py_node[TAG])
base_new = func_new(**args) # call blender func
if base_new is not None:
for py_node_child in py_node[CHILDREN]:
_call_recursive(context, base_new, py_node_child)
class BPyML_BaseUI():
"""
This is a mix-in class that defines a draw function
which checks for draw_data
"""
def draw(self, context):
layout = self.layout
for py_node in self.draw_data[CHILDREN]:
_call_recursive(context, layout, py_node)
def draw_header(self, context):
layout = self.layout
for py_node in self.draw_header_data[CHILDREN]:
_call_recursive(context, layout, py_node)
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